5525271881 has 4 divisors (see below), whose sum is σ = 5850287892. Its totient is φ = 5200255872.

The previous prime is 5525271863. The next prime is 5525271911. The reversal of 5525271881 is 1881725255.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5169610000 + 355661881 = 71900^2 + 18859^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5525271881 is a prime.

It is a super-2 number, since 2×5525271881² = 61057258717938556322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5525271821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162507980 + ... + 162508013.

It is an arithmetic number, because the mean of its divisors is an integer number (1462571973).

Almost surely, 2^5525271881 is an apocalyptic number.

It is an amenable number.

5525271881 is a deficient number, since it is larger than the sum of its proper divisors (325016011).

5525271881 is a wasteful number, since it uses less digits than its factorization.

5525271881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325016010.

The product of its digits is 224000, while the sum is 44.

The square root of 5525271881 is about 74332.1725836128. The cubic root of 5525271881 is about 1767.8736295133.

The spelling of 5525271881 in words is "five billion, five hundred twenty-five million, two hundred seventy-one thousand, eight hundred eighty-one".